Brunhouse, Robert
and
Cebra, John J.
1979.
Isotypes of IgG: Comparison of the primary structures of three pairs of isotypes which differ in their ability to activate complement.
Molecular Immunology,
Vol. 16,
Issue. 11,
p.
907.

Extract

Immunoglobulins are somewhat unusual in that they are biologically active proteins capable of carrying out several different functions. Thus, they can bind specifically with antigen, activate the complement system, mediate many cytotropic reactions, and act as antigen receptors on lymphocyte membranes.